Jh700-rs485-4g / 5G IOT module is mainly for sporadic data acquisition points, where 

the wiring cost is too high and the maintenance department is convenient. 

It can realize  two-way data transmission with high real-time performance. It 

supports a variety of uplink and downlink protocols. The State Grid 698 hardware 

encryption chip can beselected to ensure data security. Mainstream 4G and 5g 

communication units areused in the uplink to ensure smooth communication 

of big data.